Liquid Circulation Flow in a Rectangular Airlift Bubble Column
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- Meng Lingguang
- Department of Chemical Engineering, Nagoya University
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- Bando Yoshiyuki
- Department of Chemical Engineering, Nagoya University
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- Hamano Shin-ichi
- Department of Chemical Engineering, Nagoya University
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- Oura Yusuke
- Department of Chemical Engineering, Nagoya University
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- Nakamura Masaaki
- Department of Chemical Engineering, Nagoya University
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The effects of equipment dimensions and operation conditions on the liquid circulation flow rate in a rectangular airlift bubble column were investigated at relatively low gas velocities, at which few bubbles were entrained into the downcomer. The gas holdup in the downcomer was almost zero, and the gas holdup in the riser decreased with increasing length between the upper end of the partitioning plate and the liquid surface during aeration (upper clearance) and with increasing length of the partitioning plate. The liquid circulation flow rate increased with increasing upper clearance, and became constant when the clearance exceeded a certain value. The loss coefficient in the zone above the upper end of the partitioning plate was a function of the upper clearance and the riser width. By using the energy balance and experimental equations the liquid circulation flow rate was calculated, and the results agreed with the measured data within an error of +30%.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 38 (12), 1015-1019, 2005
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204569915136
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- NII論文ID
- 10017075267
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- NII書誌ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 7873562
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可